Hitachi IC25N080ATMR04-0 Specifications - Page 171
S.M.A.R.T. Function Set B0h
UPC - 000000114196
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13.38 S.M.A.R.T. Function Set (B0h) Table 112: S.M.A.R.T. Function Set (B0h) Command Block Output Registers Register 7 6 5 4 3 2 1 0 Data Feature V V V V V V V V Sector Count V V V V V V V V LBA Low LBA Mid 0 1 0 0 1 1 1 1 LBA High 1 1 0 0 0 0 1 0 Device 1 - 1 D - - - - Command 1 0 1 1 0 0 0 0 Command Block Input Registers Register 7 6 5 4 3 2 1 0 Data Error see below Sector Count LBA Low LBA Mid LBA High Device Status see below 76 CRC UNC 00 Error Register 543210 0 IDN 0 ABT T0N AMN 000V00 Status Register 76543210 BSY RDY DF DSC DRQ COR IDX ERR 0V0V-0-V The S.M.A.R.T. Function Set command provides access to the Attribute Values, the Attribute Thresholds, and other low level subcommands that can be used for logging and reporting purposes and to accommodate special user needs. The S.M.A.R.T. Function Set command has several separate subcommands which are selectable via the device's Features Register when the S.M.A.R.T. Function Set command is issued by the host. In order to select a subcommand the host must write the subcommand code to the device's Features Register before issuing the S.M.A.R.T. Function Set command. The subcommands and their respective codes are listed below. Code D0h D1h D2h D3h D4h D5h D6h D8h D9h DAh DBh Subcommand S.M.A.R.T. Read Attribute Values S.M.A.R.T. Read Attribute Thresholds S.M.A.R.T. Enable/disable Attribute Autosave S.M.A.R.T. Save Attribute Values S.M.A.R.T. Execute Off-line Immediate S.M.A.R.T. Read Log Sector S.M.A.R.T. Write Log Sector S.M.A.R.T. Enable Operations S.M.A.R.T. Disable Operations S.M.A.R.T. Return Status S.M.A.R.T. Enable/Disable Automatic Off-line Travelstar 80GN Hard Disk Drive Specification 161